Tang, Changqing wrote:
Roland:
Thank you very much for the info.
I hope Mellanox can tell me what to do next, Our project needs to run
2048 ranks
on a node, every rank has IB communication(most of them are sleeping, only a
few are active).
I think you already got the answer. Please reply if this is still open
Roland Dreier wrote:
You should be able to build firmware that supports more
processes, but I believe there may be some
performance/stability tradeoffs related to that -- Mellanox
could tell you more.
There is no performance tradeoffs.
The only problem we once saw with larger UAR page is that on some x86
systems the BIOS had a problem with it.
Tziporet
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